(a) A pharmacy benefits manager or a carrier may not directly or indirectly charge a contracted pharmacy, or hold a contracted pharmacy responsible for, a fee or performance–based reimbursement related to the adjudication of a claim or an incentive program. (b) A pharmacy benefits manager or carrier may not make or allow any reduction in payment for pharmacy services by a pharmacy benefits manager or carrier or directly or indirectly reduce a payment for a pharmacy service under a reconciliation process to an effective rate of reimbursement, including generic effective rates, brand effective rates, direct and indirect remuneration fees, or any other reduction or aggregate reduction of payments.
Maryland Legal Code